Interlock crib



FIG. 1 is a perspective view taken from above and at one front corner of an interlock crib incorporating my design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a side elevation view thereof, the opposite side being a mirror image.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is an end elevation view. 

The ornamental design for an interlock crib, as shown and described. 